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artonge wants to merge 12 commits into from
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Generate blurhash during preview creation #41052

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b23a212
FilesMetadata
ArtificialOwl Oct 17, 2023
3c4905a
run background process when executed from command line
ArtificialOwl Oct 18, 2023
5f150db
getMetadata()
ArtificialOwl Oct 18, 2023
184157a
returns metadata as array
ArtificialOwl Oct 19, 2023
2c214ed
Remove triggers for the old metadata API
artonge Oct 18, 2023
798a6b0
Port metadata providers to the new API
artonge Oct 18, 2023
2e0b667
Support dynamic metadata request on PROPFIND requests
artonge Oct 18, 2023
18a6f40
Support setting metadata in PROPPATCH requests
artonge Oct 18, 2023
e22eabf
Add kornrunner/php-blurhash to v1.2.2 in master
artonge Oct 19, 2023
10fc316
fixup! Support dynamic metadata request on PROPFIND requests
artonge Oct 19, 2023
22b638a
fixup! Support setting metadata in PROPPATCH requests
artonge Oct 19, 2023
2c35f70
Add blurhash metadata provider
artonge Oct 23, 2023
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Port metadata providers to the new API 
Signed-off-by: Louis Chemineau <[email protected]>
  • Loading branch information
@artonge
artonge committed Oct 19, 2023
commit 798a6b0018166e6b2d878f56685a660d723ad813
23 changes: 22 additions & 1 deletion lib/composer/composer/autoload_classmap.php
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Expand Up @@ -280,6 +280,14 @@
'OCP\\Federation\\ICloudId' => $baseDir . '/lib/public/Federation/ICloudId.php',
'OCP\\Federation\\ICloudIdManager' => $baseDir . '/lib/public/Federation/ICloudIdManager.php',
'OCP\\Files' => $baseDir . '/lib/public/Files.php',
'OCP\\FilesMetadata\\Event\\MetadataBackgroundEvent' => $baseDir . '/lib/public/FilesMetadata/Event/MetadataBackgroundEvent.php',
'OCP\\FilesMetadata\\Event\\MetadataLiveEvent' => $baseDir . '/lib/public/FilesMetadata/Event/MetadataLiveEvent.php',
'OCP\\FilesMetadata\\Exceptions\\FilesMetadataException' => $baseDir . '/lib/public/FilesMetadata/Exceptions/FilesMetadataException.php',
'OCP\\FilesMetadata\\Exceptions\\FilesMetadataNotFoundException' => $baseDir . '/lib/public/FilesMetadata/Exceptions/FilesMetadataNotFoundException.php',
'OCP\\FilesMetadata\\Exceptions\\FilesMetadataTypeException' => $baseDir . '/lib/public/FilesMetadata/Exceptions/FilesMetadataTypeException.php',
'OCP\\FilesMetadata\\IFilesMetadataManager' => $baseDir . '/lib/public/FilesMetadata/IFilesMetadataManager.php',
'OCP\\FilesMetadata\\Model\\IFilesMetadata' => $baseDir . '/lib/public/FilesMetadata/Model/IFilesMetadata.php',
'OCP\\FilesMetadata\\Model\\IMetadataQuery' => $baseDir . '/lib/public/FilesMetadata/Model/IMetadataQuery.php',
'OCP\\Files\\AlreadyExistsException' => $baseDir . '/lib/public/Files/AlreadyExistsException.php',
'OCP\\Files\\AppData\\IAppDataFactory' => $baseDir . '/lib/public/Files/AppData/IAppDataFactory.php',
'OCP\\Files\\Cache\\AbstractCacheEvent' => $baseDir . '/lib/public/Files/Cache/AbstractCacheEvent.php',
Expand Down Expand Up @@ -1005,6 +1013,7 @@
'OC\\Core\\Command\\Encryption\\SetDefaultModule' => $baseDir . '/core/Command/Encryption/SetDefaultModule.php',
'OC\\Core\\Command\\Encryption\\ShowKeyStorageRoot' => $baseDir . '/core/Command/Encryption/ShowKeyStorageRoot.php',
'OC\\Core\\Command\\Encryption\\Status' => $baseDir . '/core/Command/Encryption/Status.php',
'OC\\Core\\Command\\FilesMetadata\\Get' => $baseDir . '/core/Command/FilesMetadata/Get.php',
'OC\\Core\\Command\\Group\\Add' => $baseDir . '/core/Command/Group/Add.php',
'OC\\Core\\Command\\Group\\AddUser' => $baseDir . '/core/Command/Group/AddUser.php',
'OC\\Core\\Command\\Group\\Delete' => $baseDir . '/core/Command/Group/Delete.php',
Expand Down Expand Up @@ -1175,6 +1184,7 @@
'OC\\Core\\Migrations\\Version28000Date20230616104802' => $baseDir . '/core/Migrations/Version28000Date20230616104802.php',
'OC\\Core\\Migrations\\Version28000Date20230728104802' => $baseDir . '/core/Migrations/Version28000Date20230728104802.php',
'OC\\Core\\Migrations\\Version28000Date20230803221055' => $baseDir . '/core/Migrations/Version28000Date20230803221055.php',
'OC\\Core\\Migrations\\Version28000Date20231004103301' => $baseDir . '/core/Migrations/Version28000Date20231004103301.php',
'OC\\Core\\Notification\\CoreNotifier' => $baseDir . '/core/Notification/CoreNotifier.php',
'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
'OC\\DB\\Adapter' => $baseDir . '/lib/private/DB/Adapter.php',
Expand Down Expand Up @@ -1259,6 +1269,18 @@
'OC\\Federation\\CloudFederationShare' => $baseDir . '/lib/private/Federation/CloudFederationShare.php',
'OC\\Federation\\CloudId' => $baseDir . '/lib/private/Federation/CloudId.php',
'OC\\Federation\\CloudIdManager' => $baseDir . '/lib/private/Federation/CloudIdManager.php',
'OC\\FilesMetadata\\Event\\MetadataEventBase' => $baseDir . '/lib/private/FilesMetadata/Event/MetadataEventBase.php',
'OC\\FilesMetadata\\FilesMetadataManager' => $baseDir . '/lib/private/FilesMetadata/FilesMetadataManager.php',
'OC\\FilesMetadata\\Job\\UpdateSingleMetadata' => $baseDir . '/lib/private/FilesMetadata/Job/UpdateSingleMetadata.php',
'OC\\FilesMetadata\\Listener\\MetadataDelete' => $baseDir . '/lib/private/FilesMetadata/Listener/MetadataDelete.php',
'OC\\FilesMetadata\\Listener\\MetadataUpdate' => $baseDir . '/lib/private/FilesMetadata/Listener/MetadataUpdate.php',
'OC\\FilesMetadata\\Model\\FilesMetadata' => $baseDir . '/lib/private/FilesMetadata/Model/FilesMetadata.php',
'OC\\FilesMetadata\\Model\\MetadataQuery' => $baseDir . '/lib/private/FilesMetadata/Model/MetadataQuery.php',
'OC\\FilesMetadata\\Model\\MetadataValueWrapper' => $baseDir . '/lib/private/FilesMetadata/Model/MetadataValueWrapper.php',
'OC\\FilesMetadata\\Provider\\ExifMetadataProvider' => $baseDir . '/lib/private/FilesMetadata/Provider/ExifMetadataProvider.php',
'OC\\FilesMetadata\\Provider\\OriginalDateTimeMetadataProvider' => $baseDir . '/lib/private/FilesMetadata/Provider/OriginalDateTimeMetadataProvider.php',
'OC\\FilesMetadata\\Service\\IndexRequestService' => $baseDir . '/lib/private/FilesMetadata/Service/IndexRequestService.php',
'OC\\FilesMetadata\\Service\\MetadataRequestService' => $baseDir . '/lib/private/FilesMetadata/Service/MetadataRequestService.php',
'OC\\Files\\AppData\\AppData' => $baseDir . '/lib/private/Files/AppData/AppData.php',
'OC\\Files\\AppData\\Factory' => $baseDir . '/lib/private/Files/AppData/Factory.php',
'OC\\Files\\Cache\\Cache' => $baseDir . '/lib/private/Files/Cache/Cache.php',
Expand Down Expand Up @@ -1458,7 +1480,6 @@
'OC\\Metadata\\IMetadataManager' => $baseDir . '/lib/private/Metadata/IMetadataManager.php',
'OC\\Metadata\\IMetadataProvider' => $baseDir . '/lib/private/Metadata/IMetadataProvider.php',
'OC\\Metadata\\MetadataManager' => $baseDir . '/lib/private/Metadata/MetadataManager.php',
'OC\\Metadata\\Provider\\ExifProvider' => $baseDir . '/lib/private/Metadata/Provider/ExifProvider.php',
'OC\\Migration\\BackgroundRepair' => $baseDir . '/lib/private/Migration/BackgroundRepair.php',
'OC\\Migration\\ConsoleOutput' => $baseDir . '/lib/private/Migration/ConsoleOutput.php',
'OC\\Migration\\SimpleOutput' => $baseDir . '/lib/private/Migration/SimpleOutput.php',
Expand Down
23 changes: 22 additions & 1 deletion lib/composer/composer/autoload_static.php
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Expand Up @@ -313,6 +313,14 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OCP\\Federation\\ICloudId' => __DIR__ . '/../../..' . '/lib/public/Federation/ICloudId.php',
'OCP\\Federation\\ICloudIdManager' => __DIR__ . '/../../..' . '/lib/public/Federation/ICloudIdManager.php',
'OCP\\Files' => __DIR__ . '/../../..' . '/lib/public/Files.php',
'OCP\\FilesMetadata\\Event\\MetadataBackgroundEvent' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/Event/MetadataBackgroundEvent.php',
'OCP\\FilesMetadata\\Event\\MetadataLiveEvent' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/Event/MetadataLiveEvent.php',
'OCP\\FilesMetadata\\Exceptions\\FilesMetadataException' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/Exceptions/FilesMetadataException.php',
'OCP\\FilesMetadata\\Exceptions\\FilesMetadataNotFoundException' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/Exceptions/FilesMetadataNotFoundException.php',
'OCP\\FilesMetadata\\Exceptions\\FilesMetadataTypeException' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/Exceptions/FilesMetadataTypeException.php',
'OCP\\FilesMetadata\\IFilesMetadataManager' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/IFilesMetadataManager.php',
'OCP\\FilesMetadata\\Model\\IFilesMetadata' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/Model/IFilesMetadata.php',
'OCP\\FilesMetadata\\Model\\IMetadataQuery' => __DIR__ . '/../../..' . '/lib/public/FilesMetadata/Model/IMetadataQuery.php',
'OCP\\Files\\AlreadyExistsException' => __DIR__ . '/../../..' . '/lib/public/Files/AlreadyExistsException.php',
'OCP\\Files\\AppData\\IAppDataFactory' => __DIR__ . '/../../..' . '/lib/public/Files/AppData/IAppDataFactory.php',
'OCP\\Files\\Cache\\AbstractCacheEvent' => __DIR__ . '/../../..' . '/lib/public/Files/Cache/AbstractCacheEvent.php',
Expand Down Expand Up @@ -1038,6 +1046,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OC\\Core\\Command\\Encryption\\SetDefaultModule' => __DIR__ . '/../../..' . '/core/Command/Encryption/SetDefaultModule.php',
'OC\\Core\\Command\\Encryption\\ShowKeyStorageRoot' => __DIR__ . '/../../..' . '/core/Command/Encryption/ShowKeyStorageRoot.php',
'OC\\Core\\Command\\Encryption\\Status' => __DIR__ . '/../../..' . '/core/Command/Encryption/Status.php',
'OC\\Core\\Command\\FilesMetadata\\Get' => __DIR__ . '/../../..' . '/core/Command/FilesMetadata/Get.php',
'OC\\Core\\Command\\Group\\Add' => __DIR__ . '/../../..' . '/core/Command/Group/Add.php',
'OC\\Core\\Command\\Group\\AddUser' => __DIR__ . '/../../..' . '/core/Command/Group/AddUser.php',
'OC\\Core\\Command\\Group\\Delete' => __DIR__ . '/../../..' . '/core/Command/Group/Delete.php',
Expand Down Expand Up @@ -1208,6 +1217,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OC\\Core\\Migrations\\Version28000Date20230616104802' => __DIR__ . '/../../..' . '/core/Migrations/Version28000Date20230616104802.php',
'OC\\Core\\Migrations\\Version28000Date20230728104802' => __DIR__ . '/../../..' . '/core/Migrations/Version28000Date20230728104802.php',
'OC\\Core\\Migrations\\Version28000Date20230803221055' => __DIR__ . '/../../..' . '/core/Migrations/Version28000Date20230803221055.php',
'OC\\Core\\Migrations\\Version28000Date20231004103301' => __DIR__ . '/../../..' . '/core/Migrations/Version28000Date20231004103301.php',
'OC\\Core\\Notification\\CoreNotifier' => __DIR__ . '/../../..' . '/core/Notification/CoreNotifier.php',
'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',
'OC\\DB\\Adapter' => __DIR__ . '/../../..' . '/lib/private/DB/Adapter.php',
Expand Down Expand Up @@ -1292,6 +1302,18 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OC\\Federation\\CloudFederationShare' => __DIR__ . '/../../..' . '/lib/private/Federation/CloudFederationShare.php',
'OC\\Federation\\CloudId' => __DIR__ . '/../../..' . '/lib/private/Federation/CloudId.php',
'OC\\Federation\\CloudIdManager' => __DIR__ . '/../../..' . '/lib/private/Federation/CloudIdManager.php',
'OC\\FilesMetadata\\Event\\MetadataEventBase' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Event/MetadataEventBase.php',
'OC\\FilesMetadata\\FilesMetadataManager' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/FilesMetadataManager.php',
'OC\\FilesMetadata\\Job\\UpdateSingleMetadata' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Job/UpdateSingleMetadata.php',
'OC\\FilesMetadata\\Listener\\MetadataDelete' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Listener/MetadataDelete.php',
'OC\\FilesMetadata\\Listener\\MetadataUpdate' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Listener/MetadataUpdate.php',
'OC\\FilesMetadata\\Model\\FilesMetadata' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Model/FilesMetadata.php',
'OC\\FilesMetadata\\Model\\MetadataQuery' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Model/MetadataQuery.php',
'OC\\FilesMetadata\\Model\\MetadataValueWrapper' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Model/MetadataValueWrapper.php',
'OC\\FilesMetadata\\Provider\\ExifMetadataProvider' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Provider/ExifMetadataProvider.php',
'OC\\FilesMetadata\\Provider\\OriginalDateTimeMetadataProvider' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Provider/OriginalDateTimeMetadataProvider.php',
'OC\\FilesMetadata\\Service\\IndexRequestService' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Service/IndexRequestService.php',
'OC\\FilesMetadata\\Service\\MetadataRequestService' => __DIR__ . '/../../..' . '/lib/private/FilesMetadata/Service/MetadataRequestService.php',
'OC\\Files\\AppData\\AppData' => __DIR__ . '/../../..' . '/lib/private/Files/AppData/AppData.php',
'OC\\Files\\AppData\\Factory' => __DIR__ . '/../../..' . '/lib/private/Files/AppData/Factory.php',
'OC\\Files\\Cache\\Cache' => __DIR__ . '/../../..' . '/lib/private/Files/Cache/Cache.php',
Expand Down Expand Up @@ -1491,7 +1513,6 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OC\\Metadata\\IMetadataManager' => __DIR__ . '/../../..' . '/lib/private/Metadata/IMetadataManager.php',
'OC\\Metadata\\IMetadataProvider' => __DIR__ . '/../../..' . '/lib/private/Metadata/IMetadataProvider.php',
'OC\\Metadata\\MetadataManager' => __DIR__ . '/../../..' . '/lib/private/Metadata/MetadataManager.php',
'OC\\Metadata\\Provider\\ExifProvider' => __DIR__ . '/../../..' . '/lib/private/Metadata/Provider/ExifProvider.php',
'OC\\Migration\\BackgroundRepair' => __DIR__ . '/../../..' . '/lib/private/Migration/BackgroundRepair.php',
'OC\\Migration\\ConsoleOutput' => __DIR__ . '/../../..' . '/lib/private/Migration/ConsoleOutput.php',
'OC\\Migration\\SimpleOutput' => __DIR__ . '/../../..' . '/lib/private/Migration/SimpleOutput.php',
Expand Down
125 changes: 125 additions & 0 deletions lib/private/FilesMetadata/Provider/ExifMetadataProvider.php
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<?php

declare(strict_types=1);
/**
* @copyright Copyright 2022 Carl Schwan <[email protected]>
* @copyright Copyright 2022 Louis Chmn <[email protected]>
* @license AGPL-3.0-or-later
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/

namespace OC\FilesMetadata\Provider;

use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventListener;
use OCP\Files\File;
use OCP\FilesMetadata\Event\MetadataLiveEvent;
use Psr\Log\LoggerInterface;

// Extract EXIF, IFD0, and GPS data from a picture file.
// EXIF data reference: https://web.archive.org/web/20220428165430/exif.org/Exif2-2.PDF
class ExifMetadataProvider implements IEventListener {
public function __construct(
private LoggerInterface $logger
) {}

public function handle(Event $event): void {
if (!($event instanceof MetadataLiveEvent)) {
return;
}

$node = $event->getNode();

if (!$node instanceof File) {
return;
}

if (!preg_match('/image\/(png|jpeg|heif|webp|tiff)/', $node->getMimetype())) {
return;
}

if (!extension_loaded('exif')) {
return;
}

$fileDescriptor = $node->fopen('rb');
if ($fileDescriptor === false) {
return;
}

$rawExifData = null;

try {
// HACK: The stream_set_chunk_size call is needed to make reading exif data reliable.
// This is to trigger this condition: https://github.com/php/php-src/blob/d64aa6f646a7b5e58359dc79479860164239580a/main/streams/streams.c#L710
// But I don't understand yet why 1 as a special meaning.
$oldBufferSize = stream_set_chunk_size($fileDescriptor, 1);
$rawExifData = @exif_read_data($fileDescriptor, 'EXIF, GPS', true);
// We then revert the change after having read the exif data.
stream_set_chunk_size($fileDescriptor, $oldBufferSize);
} catch (\Exception $ex) {
$this->logger->info("Failed to extract metadata for " . $node->getId(), ['exception' => $ex]);
}

if ($rawExifData && array_key_exists('EXIF', $rawExifData)) {
$event->getMetadata()->setArray('files-exif', $rawExifData['EXIF']);
}

if ($rawExifData && array_key_exists('IFD0', $rawExifData)) {
$event->getMetadata()->setArray('files-ifd0', $rawExifData['IFD0']);
}

if (
$rawExifData &&
array_key_exists('GPS', $rawExifData) &&
array_key_exists('GPSLatitude', $rawExifData['GPS']) && array_key_exists('GPSLatitudeRef', $rawExifData['GPS']) &&
array_key_exists('GPSLongitude', $rawExifData['GPS']) && array_key_exists('GPSLongitudeRef', $rawExifData['GPS'])
) {
$event->getMetadata()->setArray('files-gps', [
'latitude' => $this->gpsDegreesToDecimal($rawExifData['GPS']['GPSLatitude'], $rawExifData['GPS']['GPSLatitudeRef']),
'longitude' => $this->gpsDegreesToDecimal($rawExifData['GPS']['GPSLongitude'], $rawExifData['GPS']['GPSLongitudeRef']),
'altitude' => ($rawExifData['GPS']['GPSAltitudeRef'] === "\u{0000}" ? 1 : -1) * $this->parseGPSData($rawExifData['GPS']['GPSAltitude']),
]);
}
}

/**
* @param array|string $coordinates
*/
private function gpsDegreesToDecimal($coordinates, ?string $hemisphere): float {
if (is_string($coordinates)) {
$coordinates = array_map("trim", explode(",", $coordinates));
}

if (count($coordinates) !== 3) {
throw new \Exception('Invalid coordinate format: ' . json_encode($coordinates));
}

[$degrees, $minutes, $seconds] = array_map(fn ($rawDegree) => $this->parseGPSData($rawDegree), $coordinates);

$sign = ($hemisphere === 'W' || $hemisphere === 'S') ? -1 : 1;
return $sign * ($degrees + $minutes / 60 + $seconds / 3600);
}

private function parseGPSData(string $rawData): float {
$parts = explode('/', $rawData);

if ($parts[1] === '0') {
return 0;
}

return floatval($parts[0]) / floatval($parts[1] ?? 1);
}
}
59 changes: 59 additions & 0 deletions lib/private/FilesMetadata/Provider/OriginalDateTimeMetadataProvider.php
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<?php

declare(strict_types=1);
/**
* @copyright Copyright 2022 Carl Schwan <[email protected]>
* @copyright Copyright 2022 Louis Chmn <[email protected]>
* @license AGPL-3.0-or-later
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/

namespace OC\FilesMetadata\Provider;

use DateTime;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventListener;
use OCP\Files\File;
use OCP\FilesMetadata\Event\MetadataLiveEvent;

class OriginalDateTimeMetadataProvider implements IEventListener {
public function __construct() {}

public function handle(Event $event): void {
if (!($event instanceof MetadataLiveEvent)) {
return;
}

$node = $event->getNode();

if (!$node instanceof File) {
return;
}

$metadata = $event->getMetadata();

if (!$metadata->hasKey('files-exif')) {
return;
}

if (!array_key_exists('DateTimeOriginal', $metadata->getArray('files-exif'))) {
return;
}

$rawDateTimeOriginal = $metadata->getArray('files-exif')['DateTimeOriginal'];
$dateTimeOriginal = DateTime::createFromFormat("Y:m:d G:i:s", $rawDateTimeOriginal);
$metadata->setInt('files-original_date_time', $dateTimeOriginal->getTimestamp(), true);
}
}
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